Changes in uspace/drv/bus/usb/usbhid/mouse/mousedev.c [58563585:350274a] in mainline

File:

• uspace/drv/bus/usb/usbhid/mouse/mousedev.c (modified) (5 diffs)

uspace/drv/bus/usb/usbhid/mouse/mousedev.c

@@ -246 +246 @@
 }
 
-#define FUN_UNBIND_DESTROY(fun) \
-if (fun) { \
-        if (ddf_fun_unbind((fun)) == EOK) { \
-                ddf_fun_destroy((fun)); \
-        } else { \
-                usb_log_error("Could not unbind function `%s', it " \
-                    "will not be destroyed.\n", ddf_fun_get_name(fun)); \
-        } \
-} else (void) 0
-
 /** Get highest index of a button mentioned in given report.
  *
@@ -296 +286 @@
 }
 
-static int mouse_dev_init(usb_mouse_t *mouse_dev, usb_hid_dev_t *hid_dev)
-{
+int usb_mouse_init(usb_hid_dev_t *hid_dev, void **data)
+{
+        ddf_fun_t *fun = NULL;
+        usb_mouse_t *mouse_dev = NULL;
+        bool bound = false;
+        int rc;
+
+        usb_log_debug("Initializing HID/Mouse structure...\n");
+
+        if (hid_dev == NULL) {
+                usb_log_error("Failed to init mouse structure: no structure"
+                    " given.\n");
+                rc = EINVAL;
+                goto error;
+        }
+
+        /* Create the exposed function. */
+        usb_log_debug("Creating DDF function %s...\n", HID_MOUSE_FUN_NAME);
+        fun = ddf_fun_create(hid_dev->usb_dev->ddf_dev, fun_exposed,
+            HID_MOUSE_FUN_NAME);
+        if (fun == NULL) {
+                usb_log_error("Could not create DDF function node `%s'.\n",
+                    HID_MOUSE_FUN_NAME);
+                rc = ENOMEM;
+                goto error;
+        }
+
+        ddf_fun_set_ops(fun, &ops);
+
+        mouse_dev = ddf_fun_data_alloc(fun, sizeof(usb_mouse_t));
+        if (mouse_dev == NULL) {
+                usb_log_error("Error while creating USB/HID Mouse device "
+                    "structure.\n");
+                rc = ENOMEM;
+                goto error;
+        }
+
         // FIXME: This may not be optimal since stupid hardware vendor may
         // use buttons 1, 2, 3 and 6000 and we would allocate array of
@@ -310 +335 @@
         if (mouse_dev->buttons == NULL) {
                 usb_log_error(NAME ": out of memory, giving up on device!\n");
-                free(mouse_dev);
-                return ENOMEM;
+                rc = ENOMEM;
+                goto error;
         }
 
         // TODO: how to know if the device supports the request???
-        usbhid_req_set_idle(usb_device_get_default_pipe(hid_dev->usb_dev),
-            usb_device_get_iface_number(hid_dev->usb_dev), IDLE_RATE);
-        return EOK;
-}
-
-int usb_mouse_init(usb_hid_dev_t *hid_dev, void **data)
-{
-        usb_log_debug("Initializing HID/Mouse structure...\n");
-
-        if (hid_dev == NULL) {
-                usb_log_error("Failed to init mouse structure: no structure"
-                    " given.\n");
-                return EINVAL;
-        }
-
-        /* Create the exposed function. */
-        usb_log_debug("Creating DDF function %s...\n", HID_MOUSE_FUN_NAME);
-        ddf_fun_t *fun = usb_device_ddf_fun_create(hid_dev->usb_dev,
-            fun_exposed, HID_MOUSE_FUN_NAME);
-        if (fun == NULL) {
-                usb_log_error("Could not create DDF function node `%s'.\n",
-                    HID_MOUSE_FUN_NAME);
-                return ENOMEM;
-        }
-
-        usb_mouse_t *mouse_dev = ddf_fun_data_alloc(fun, sizeof(usb_mouse_t));
-        if (mouse_dev == NULL) {
-                usb_log_error("Failed to alloc HID mouse device structure.\n");
-                ddf_fun_destroy(fun);
-                return ENOMEM;
-        }
-
-        int ret = mouse_dev_init(mouse_dev, hid_dev);
-        if (ret != EOK) {
-                usb_log_error("Failed to init HID mouse device structure.\n");
-                return ret;
-        }
-
-        ddf_fun_set_ops(fun, &ops);
-
-        ret = ddf_fun_bind(fun);
-        if (ret != EOK) {
+        usbhid_req_set_idle(&hid_dev->usb_dev->ctrl_pipe,
+            hid_dev->usb_dev->interface_no, IDLE_RATE);
+
+        rc = ddf_fun_bind(fun);
+        if (rc != EOK) {
                 usb_log_error("Could not bind DDF function `%s': %s.\n",
-                    ddf_fun_get_name(fun), str_error(ret));
-                ddf_fun_destroy(fun);
-                return ret;
-        }
+                    ddf_fun_get_name(fun), str_error(rc));
+                goto error;
+        }
+
+        bound = true;
 
         usb_log_debug("Adding DDF function `%s' to category %s...\n",
             ddf_fun_get_name(fun), HID_MOUSE_CATEGORY);
-        ret = ddf_fun_add_to_category(fun, HID_MOUSE_CATEGORY);
-        if (ret != EOK) {
-                usb_log_error(
-                    "Could not add DDF function to category %s: %s.\n",
-                    HID_MOUSE_CATEGORY, str_error(ret));
-                FUN_UNBIND_DESTROY(fun);
-                return ret;
-        }
+        rc = ddf_fun_add_to_category(fun, HID_MOUSE_CATEGORY);
+        if (rc != EOK) {
+                usb_log_error("Could not add DDF function to category %s: "
+                    "%s.\n", HID_MOUSE_CATEGORY, str_error(rc));
+                goto error;
+        }
+
         mouse_dev->mouse_fun = fun;
 
         /* Save the Mouse device structure into the HID device structure. */
         *data = mouse_dev;
-
         return EOK;
+error:
+        if (bound)
+                ddf_fun_unbind(fun);
+        if (mouse_dev != NULL)
+                free(mouse_dev->buttons);
+        if (fun != NULL)
+                ddf_fun_destroy(fun);
+        return rc;
 }
 
@@ -409 +404 @@
         }
 
+        ddf_fun_unbind(mouse_dev->mouse_fun);
         free(mouse_dev->buttons);
-        FUN_UNBIND_DESTROY(mouse_dev->mouse_fun);
+        ddf_fun_destroy(mouse_dev->mouse_fun);
 }
 
@@ -425 +421 @@
         }
 
-        rc = usbhid_req_set_protocol(
-            usb_device_get_default_pipe(hid_dev->usb_dev),
-            usb_device_get_iface_number(hid_dev->usb_dev),
-            USB_HID_PROTOCOL_BOOT);
+        rc = usbhid_req_set_protocol(&hid_dev->usb_dev->ctrl_pipe,
+            hid_dev->usb_dev->interface_no, USB_HID_PROTOCOL_BOOT);
 
         if (rc != EOK) {